Fill in the missing sentences to complite the dialogue.one sentence is extra. вот предложения: my son goes in for tennis professionally. how many days would you like them for? we'd like to rent two tennis rackets. do you like them? can you sign here,please? can i help you? how much does it cost per day? -hello! -yes,please. -right.we've got ordinary and professional ones. -professional, i think. -these two are quite good. -they look great. - -three pounds per day for each racket. -that's ok.we'll have them for a week. -certianly. -of course.thank you.